Temperature Humidity Meter, Temperature and Humidity, 0 Percent to 99.9 Percent Relative Humidity Range, +/-3.5 Percent, +/-3 Percent (20 Percent to 80 Percent) Humidity Accuracy, -4 Degrees to 158 Degrees Temp. Range (F), +/-1.8 Degrees , +/-3 Percent RH Temp. Accuracy (F), -76 Degrees to 158 Degrees F/-60 Degrees to 70 Degrees C Dew Point Range, 0.1 Percent Humidity Resolution, Sensor Type Capacitance, Display LCD, Bar Graph No, Memory No, Battery Type (3) AAA, Auto Power Off Yes, Data Hold No